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SUMMARY OF GROUNDWATER MONITORING DATA <br /> First Quarter 1993 <br /> ARCO Service Station#2168 <br /> 441 Charter Way,Stockton <br /> (micrograms per liter(pg/1) unless noted) <br /> Floating <br /> Well ID Depth to Product notal 1,2 !,2 <br /> and Sample Sampling Water Thickness Ethyl- 9 otal TPH as 011& Hydrocarbons, Dichloro Dichloro Total Fecal <br /> Depth Date jfcel (fe-t) ItLnzene Toluene benzene Xylenes Gasoline Crease Gravimetric ethane propane Cohforrn• Colifortn• <br /> MW 1(54) 03/10/93 4042 6 500 340 580 1 700 28 000 11 08 <br /> MW 2(53) 03/10193 4077 3 300 1 500 210 1000 16000 ND ND 16 62 <br /> MW 3(53) 03!10193 3954 16 000 1 300 1 800 4 900 51 000 05 ND <2{f <2 0 <br /> MW 4(59) 03/10/93 4242 14 000 24 000 3200 15 000 110 000 85 27 <br /> MW 5(55) 03/10193 39 11 9200 6 600 830 4 21X3 49 000 160 18 <br /> TPH=Total petroleum hydrocarbons <br /> ND=Not detected <br /> *=Rcponcd as most prubable nomtxr per 100 rnilhliicrb of water <br /> 0071 03801 <br /> I <br />